Abadie is a French and English surname derived from the Occitan word abadia ("abbey"). Notable people with the surname include:
Jeanette Abadie (born c. 1593), French alleged witch
Paul Abadie (1812–1884), French architect and building restorer
Henry Richard Abadie (1841–1915), British army officer
Jean Marie Charles Abadie (1842–1932), French ophthalmologist
John Abadie (1854–1905), American baseball player
Joseph Louis Irenée Jean Abadie (1873–1934), a French neurologist
Jules Abadie (1876–1953), French politician and surgeon
Alfred C. Abadie (1878–1950), American photographer and pioneer filmmaker
François Abadie (1930–2001), French politician
René Abadie (1935–1996), French Olympic cyclist
Jean-Paul Abadie (born 1958), French chef
Henri Abadie (born 1963), French former professional racing cyclist
Lisandro Abadie (born 1964), Argentine bass-baritone
Alberto Abadie (born 1968), Spanish Economist
Simon Abadie (born 1978), French race car driver
Alejandro Abadie (born 1984), Argentine football player
Jérémy Abadie (born 1988), French football player
William Abadie, French actor